◎ 题干

41. If it ______ for the fence, he ______ into the river.
A. were not; fallen                                    B. had not been; could have fallen
C were not; could fall                                    D. had not been; could fall
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“41. If it ______ for the fence, he ______ into the river.A. were not; fallenB. had not been; could have fallen C were not; could fall D. had not been; c…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。